✏️ Fix typo

Co-authored-by: Aboling0 <[email protected]>

Author: pboling

spec/shared_examples/a_serialized_hash.rb

@@ -58,7 +58,7 @@
       expect(hash["hello"]).to eq "world"
     end
 
-    it "shuold create an empty Mash if the given value is nil" do
+    it "should create an empty Mash if the given value is nil" do
       hash = subject.load(nil)
       expect(hash).to be_a Hashie::Mash
       expect(hash).to be_empty